/* =========================================================
   RESET + VARIABLES
========================================================= */
@import url("https://fonts.googleapis.com/css2?family=Archivo+Narrow:wght@400;500;600;700&family=Inter:wght@400;500;600;700;800&family=Playfair+Display:wght@400;500;600;700;800&display=swap");
* {
  box-sizing: border-box;
}

:root {
  --bg: #0b0a07;
  --text: #f2f0ea;
  --soft: rgba(255, 252, 245, 0.82);
  --muted: rgba(255, 252, 245, 0.58);
  --line: rgba(255, 230, 190, 0.16);

  --progress: 0;
  --heroZoom: 0;
  --splitOpen: 0;
  --interior: 0;
  --interiorText: 1;
  --stairs: 0;
  --final: 1;
    --heroZoom: 0;
  --splitOpen: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Helvetica Neue", Arial, sans-serif;
  overflow-x: hidden;
}

.site {
  position: relative;
  background: var(--bg);
}

/* =========================================================
   GLOBAL
========================================================= */

.scene {
  position: relative;
  min-height: 100vh;
  padding: 8vw;
}

.label {
  margin: 0 0 24px;
  font-size: 10px;
  letter-spacing: 0.44em;
  text-transform: uppercase;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -0.08em;
}

h1 {
  font-size: clamp(3.8rem, 9vw, 11rem);
  line-height: 0.88;
}

h2 {
  font-size: clamp(3rem, 6.5vw, 8rem);
  line-height: 0.9;
}

h3 {
  font-size: clamp(2.2rem, 3.5vw, 4rem);
  line-height: 0.96;
}

p {
  font-size: clamp(1rem, 1.12vw, 1.12rem);
  line-height: 1.85;
  color: var(--soft);
}

.quote {
  margin-top: 32px;
  max-width: 680px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.22rem, 1.9vw, 2rem);
  line-height: 1.35;
  letter-spacing: -0.04em;
  color: rgba(255, 245, 220, 0.95);
}

/* =========================================================
   GLOBAL EFFECTS
========================================================= */

.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2000;
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.12);
}

.progress-bar span {
  display: block;
  width: 0%;
  height: 100%;
  background: var(--text);
}

.grain,
.vignette {
  pointer-events: none;
  position: fixed;
  inset: 0;
}

.grain {
  z-index: 1600;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 250 250' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.vignette {
  z-index: 1500;
  background:
    radial-gradient(circle at center, transparent 66%, rgba(35, 20, 8, 0.16) 100%),
    linear-gradient(to bottom, transparent 80%, rgba(20, 10, 5, 0.14));
}

/* =========================================================
   AESTHETIC CHAPTER NAV
========================================================= */

.chapter-nav {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 250;
  display: grid;
  justify-items: end;
  gap: 10px;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.chapter-nav-trigger {
  height: 42px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  border: 1px solid rgba(242, 234, 219, 0.14);
  border-radius: 999px;
  background:
    linear-gradient(
      180deg,
      rgba(31, 37, 44, 0.62),
      rgba(20, 24, 23, 0.68)
    );
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.34);
  color: rgba(242, 234, 219, 0.72);
  cursor: default;
}

.chapter-nav-trigger span {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.chapter-nav-list {
  width: 230px;
  padding: 10px;
  border: 1px solid rgba(242, 234, 219, 0.12);
  border-radius: 24px;
  background:
    linear-gradient(
      180deg,
      rgba(31, 37, 44, 0.72),
      rgba(20, 24, 23, 0.82)
    );
  backdrop-filter: blur(22px);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.42);

  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.97);
  pointer-events: none;

  transition:
    opacity 0.28s ease,
    transform 0.28s ease,
    visibility 0s linear 0.28s;
}

.chapter-nav:hover .chapter-nav-list,
.chapter-nav:focus-within .chapter-nav-list {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  transition:
    opacity 0.28s ease,
    transform 0.28s ease,
    visibility 0s;
}

.chapter-nav-list a {
  position: relative;
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  gap: 12px;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 16px;
  color: rgba(242, 234, 219, 0.54);
  text-decoration: none;
  overflow: hidden;
  transition:
    color 0.25s ease,
    background 0.25s ease,
    transform 0.25s ease;
}

.chapter-nav-list a::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--mauve);
  opacity: 0;
  transform: translateY(-50%) scale(0.4);
  transition: 0.25s ease;
}

.chapter-nav-list a span {
  color: rgba(171, 146, 150, 0.78);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-align: right;
  transition: transform 0.25s ease;
}

.chapter-nav-list a em {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.chapter-nav-list a:hover {
  color: var(--text);
  background: rgba(242, 234, 219, 0.06);
  transform: translateX(-3px);
}

.chapter-nav-list a.is-active {
  color: var(--text);
  background:
    linear-gradient(
      90deg,
      rgba(173, 75, 46, 0.16),
      rgba(242, 234, 219, 0.045)
    );
}

.chapter-nav-list a.is-active::before {
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

.chapter-nav-list a.is-active span {
  color: #f2eadb;
  transform: translateX(6px);
}

/* Mobile: maak nav een subtiele onderbalk */
@media (max-width: 760px) {
  .chapter-nav {
    top: auto;
    right: 50%;
    bottom: 16px;
    transform: translateX(50%);
    width: calc(100% - 28px);
    justify-items: center;
  }

  .chapter-nav-trigger {
    display: none;
  }

  .chapter-nav-list {
    width: 100%;
    display: flex;
    gap: 6px;
    padding: 8px;
    overflow-x: auto;
    border-radius: 999px;

    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
  }

  .chapter-nav-list::-webkit-scrollbar {
    display: none;
  }

  .chapter-nav-list a {
    display: flex;
    flex: 0 0 auto;
    min-height: 34px;
    padding: 0 13px;
    border-radius: 999px;
  }

  .chapter-nav-list a span {
    font-size: 12px;
  }

  .chapter-nav-list a em {
    display: none;
  }

  .chapter-nav-list a::before {
    display: none;
  }
}
/* =========================================================
   01 / HERO
========================================================= */


:root {
  --heroZoom: 0;
  --splitOpen: 0;
}

.hero-scene {
  position: relative;
  height: 240vh;
  padding: 0;
  overflow: clip;
  background: #020202;
  z-index: 1;
}

/* Background blijft alleen binnen de hero */
.hero-background {
  position: fixed;
  inset: 0;
  z-index: 1;

  width: 100vw;
  height: 100vh;
  overflow: hidden;

  opacity: calc(1 - var(--splitOpen) * 0.95);
  pointer-events: none;
}

.hero-bg-video {
  width: 100%;
  height: 100%;
  object-fit: cover;

  filter: brightness(1.35) contrast(1.06) saturate(1.18);
  transform: scale(calc(1.01 + var(--heroZoom) * 0.04));
}
/* Cinematic overlay */
.hero-scene::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 10000;
  pointer-events: none;
  background:
    radial-gradient(
      circle at 52% 38%,
      rgba(255, 210, 140, 0.08),
      rgba(0, 0, 0, 0.14) 48%,
      rgba(0, 0, 0, 0.38) 100%
    ),
    linear-gradient(
      to bottom,
      rgba(255, 180, 90, 0.03),
      rgba(0, 0, 0, 0.18)
    );
  opacity: calc(1 - var(--splitOpen) * 0.95);
}

body.past-hero .hero-scene::before {
  opacity: 0;
}

/* Titel */
.hero-title {
  position: fixed;
  left: 6.5vw;
  top: 18vh;
  z-index: 5;
  max-width: 1200px;

  opacity: calc(1 - var(--splitOpen) * 1.08);

  /* blijft stil staan */
  transform: none;
}

.hero-main-title {
  position: relative;
  width: min(1250px, 90vw);
  min-height: clamp(10rem, 20vw, 19rem);

  margin: 0;
  color: rgba(255, 252, 245, 0.96);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(5.8rem, 13vw, 15.5rem);
  font-weight: 400;
  line-height: 0.78;
  letter-spacing: -0.09em;

  text-shadow:
    0 16px 54px rgba(0, 0, 0, 0.52),
    0 0 24px rgba(255, 255, 255, 0.13);
}

.title-parasite,
.title-living {
  position: absolute;
  left: 0;
  top: 0;
  display: block;
}

.title-parasite {
  font-size: clamp(5.8rem, 14vw, 16rem);
  animation: parasiteHardCut 6s steps(1, end) infinite;
}

.title-living {
  opacity: 0;
  animation: livingHardReveal 6s steps(1, end) infinite;
}

.hero-main-title::before {
  content: "";
  position: absolute;
  left: -8%;
  top: 42%;
  z-index: -1;
  width: 120%;
  height: 28%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 245, 210, 0.65),
    transparent
  );
  filter: blur(24px);
  opacity: 0;
  animation: titleFlashCut 6s steps(1, end) infinite;
}

.hero-house {
  position: fixed;
  left: 50%;
  bottom: 0.1vh;
  z-index: 8;
  width: 110vw;
  max-width: none;
  height: auto;
  transform: translateX(-50%) translateY(15vh);
  opacity: calc(1 - var(--splitOpen) * 1.05);
  pointer-events: none;
}

/* Quote + scroll */
.hero-quote,
.scroll-hint {
  position: fixed;
  left: 6.7vw;
  z-index: 20;

  opacity: calc(1 - var(--splitOpen) * 1.08);

  /* niet meer mee scrollen */
  transform: none;
}

.hero-quote {
  top: 64vh;
  width: min(760px, 72vw);
  margin: 0;

  color: rgba(255, 252, 245, 0.94);
  font-size: clamp(18px, 1.45vw, 26px);
  font-weight: 520;
  line-height: 1.48;
  letter-spacing: -0.018em;

  text-wrap: balance;

  text-shadow:
    0 14px 38px rgba(0, 0, 0, 0.92),
    0 0 2px rgba(0, 0, 0, 0.85);
}

.hero-quote::before {
  content: "";
  display: block;
  width: 76px;
  height: 2px;
  margin-bottom: 18px;

  background: linear-gradient(
    90deg,
    rgba(255, 252, 245, 0.9),
    rgba(255, 252, 245, 0)
  );
}

.scroll-hint {
  top: 79vh;
  margin: 0;

  color: rgba(255, 252, 245, 0.68);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.36em;

  text-shadow: 0 10px 28px rgba(0, 0, 0, 0.9);

  animation: hintPulse 2s infinite ease-in-out;
}


/* =========================================================
   SPLIT TRANSITION
========================================================= */
/* 
.split-transition {
  position: fixed;
  inset: 0;
  z-index: 30;
  pointer-events: none;
  opacity: calc(var(--splitOpen) * 1.1);
}

.split-panel {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;

  background-color: #050505;
  background-image:
    linear-gradient(to bottom, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.46)),
    url("./public/parasiteback.png");
  background-size: cover;
  background-position: center 72%;
}

.split-panel.left {
  left: 0;
  background-position: left 72%;
  transform: translateX(calc(var(--splitOpen) * -102%));
}

.split-panel.right {
  right: 0;
  background-position: right 72%;
  transform: translateX(calc(var(--splitOpen) * 102%));
} */


/* =========================================================
   HERO ANIMATIONS
========================================================= */

@keyframes parasiteHardCut {
  0%,
  55% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }

  58% {
    opacity: 1;
    transform: translateX(-12px) scale(1.02);
    filter: blur(1px);
  }

  65%,
  100% {
    opacity: 0;
    transform: translateY(-35px) scale(0.92);
    filter: blur(10px);
    letter-spacing: 0.06em;
  }
}

@keyframes livingHardReveal {
  0%,
  64% {
    opacity: 0;
    transform: translateY(28px) scale(0.96);
    filter: blur(10px);
  }

  65%,
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes titleFlashCut {
  0%,
  57% {
    opacity: 0;
  }

  58% {
    opacity: 0.8;
    transform: translateX(-10%) scaleX(0.8);
  }

  64% {
    opacity: 0.25;
    transform: translateX(10%) scaleX(1.2);
  }

  66%,
  100% {
    opacity: 0;
  }
}

@keyframes hintPulse {
  0%,
  100% {
    translate: 0 0;
  }

  50% {
    translate: 0 8px;
  }
}



/* =========================================================
   RESPONSIVE HERO
========================================================= */

@media (max-width: 980px) {
  .hero-title {
    left: 5vw;
    top: 18vh;
  }

  .hero-main-title {
    width: 92vw;
    font-size: clamp(4.8rem, 16vw, 10rem);
  }

  .title-parasite {
    font-size: clamp(4.8rem, 16vw, 10.5rem);
  }

  .hero-house {
    width: 128vw;
    transform: translateX(-50%) translateY(12vh);
  }

  .hero-quote {
    top: 62vh;
    width: min(680px, 82vw);
  }

  .scroll-hint {
    top: 80vh;
  }
}

@media (max-width: 620px) {
  .hero-title {
    left: 24px;
    top: 17vh;
  }

  .hero-main-title {
    width: calc(100vw - 48px);
    min-height: 10rem;
    font-size: clamp(3.6rem, 19vw, 6.8rem);
    line-height: 0.82;
  }

  .title-parasite {
    font-size: clamp(3.8rem, 20vw, 7rem);
  }

  .hero-house {
    width: 150vw;
    bottom: 4vh;
    transform: translateX(-50%) translateY(10vh);
  }

  .hero-quote {
    left: 24px;
    top: 60vh;
    width: calc(100vw - 48px);
    font-size: 15px;
    line-height: 1.5;
  }

  .hero-quote::before {
    width: 54px;
    margin-bottom: 14px;
  }

  .scroll-hint {
    left: 24px;
    top: 78vh;
    font-size: 10px;
    letter-spacing: 0.24em;
  }
}